Enum datafusion::sql::parser::DFASTNode

pub enum DFASTNode {
    ANSI(ASTNode),
    CreateExternalTable {
        name: String,
        columns: Vec<SQLColumnDef>,
        file_type: FileType,
        has_header: bool,
        location: String,
    },
}

DataFrame AST Node representations.

Tokens parsed by DFParser are converted into these values.

Variants

ANSI(ASTNode)

ANSI SQL AST node

CreateExternalTable

DDL for creating an external table in DataFusion

Fields of CreateExternalTable

name: String

Table name

columns: Vec<SQLColumnDef>

Optional schema

file_type: FileType

File type (Parquet, NDJSON, CSV)

has_header: bool

CSV Header row?

location: String

Path to file

Trait Implementations

impl Clone for DFASTNode

fn clone(&self) -> DFASTNode

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DFASTNode

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.